1/* pidof.c - Print the Process IDs of all processes with the given names.
2 *
3 * Copyright 2012 Andreas Heck <aheck@gmx.de>
4 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
5 *
6 * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/pidof.html
7
8USE_PIDOF(NEWTOY(pidof, "<1so:", TOYFLAG_BIN))
9
10config PIDOF
11  bool "pidof"
12  default y
13  help
14    usage: pidof [-s] [-o omitpid[,omitpid...]] [NAME]...
15
16    Print the PIDs of all processes with the given names.
17
18    -s	single shot, only return one pid.
19    -o	omit PID(s)
20*/
21
22#define FOR_pidof
23#include "toys.h"
24
25GLOBALS(
26  char *omit;
27)
28
29static int print_pid(pid_t pid, char *name)
30{
31  sprintf(toybuf, "%d", (int)pid);
32  if (comma_scan(TT.omit, toybuf, 0)) return 0;
33  xprintf(" %s"+!!toys.exitval, toybuf);
34  toys.exitval = 0;
35
36  return toys.optflags & FLAG_s;
37}
38
39void pidof_main(void)
40{
41  toys.exitval = 1;
42  names_to_pid(toys.optargs, print_pid);
43  if (!toys.exitval) xputc('\n');
44}
45